GeForce 7900 GT vs Radeon HD 7770M

Place in the ranking	725	1179
Place by popularity	not in top-100	not in top-100
Power efficiency	7.41	0.96
Architecture	GCN 1.0 (2011−2020)	Curie (2003−2013)
GPU code name	Chelsea	G71
Market segment	Laptop	Desktop
Release date	24 April 2012 (12 years ago)	9 March 2006 (18 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	512	no data
Core clock speed	675 MHz	450 MHz
Number of transistors	1,500 million	278 million
Manufacturing process technology	28 nm	90 nm
Power consumption (TDP)	32 Watt	48 Watt
Texture fill rate	21.60	10.80
Floating-point processing power	0.6912 TFLOPS	no data
ROPs	16	16
TMUs	32	24

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop size	medium sized	no data
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Width	no data	1-slot
Supplementary power connectors	no data	1x 6-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR5	GDDR3
Maximum RAM amount	1 GB	256 MB
Memory bus width	128 Bit	256 Bit
Memory clock speed	1000 MHz	660 MHz
Memory bandwidth	64 GB/s	42.24 GB/s
Shared memory	-	-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors

No outputs

2x DVI, 1x S-Video

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 (11_1)	9.0c (9_3)
Shader Model	5.1	3.0
OpenGL	4.6	2.1
OpenCL	1.2	N/A
Vulkan	1.2.131	N/A

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

6−7
+500%

1−2

−500%

Full HD
Medium Preset

Assassin's Creed Odyssey	10−11 +900%	1−2 −900%
Assassin's Creed Valhalla	2−3	0−1
Battlefield 5	7−8 +600%	1−2 −600%
Call of Duty: Modern Warfare	8−9 +700%	1−2 −700%
Cyberpunk 2077	6−7 +500%	1−2 −500%
Far Cry 5	7−8 +600%	1−2 −600%
Far Cry New Dawn	10−11 +900%	1−2 −900%
Forza Horizon 4	20−22 +567%	3−4 −567%
Hitman 3	9−10 +800%	1−2 −800%
Horizon Zero Dawn	24−27 +525%	4−5 −525%
Metro Exodus	6−7 +500%	1−2 −500%
Red Dead Redemption 2	9−10 +800%	1−2 −800%
Shadow of the Tomb Raider	14−16 +600%	2−3 −600%
Watch Dogs: Legion	40−45 +413%	8−9 −413%

Full HD
High Preset

Assassin's Creed Odyssey	10−11 +900%	1−2 −900%
Assassin's Creed Valhalla	2−3	0−1
Battlefield 5	7−8 +600%	1−2 −600%
Call of Duty: Modern Warfare	8−9 +700%	1−2 −700%
Cyberpunk 2077	6−7 +500%	1−2 −500%
Far Cry 5	7−8 +600%	1−2 −600%
Far Cry New Dawn	10−11 +900%	1−2 −900%
Forza Horizon 4	20−22 +567%	3−4 −567%
Hitman 3	9−10 +800%	1−2 −800%
Horizon Zero Dawn	24−27 +525%	4−5 −525%
Metro Exodus	6−7 +500%	1−2 −500%
Red Dead Redemption 2	9−10 +800%	1−2 −800%
Shadow of the Tomb Raider	14−16 +600%	2−3 −600%
The Witcher 3: Wild Hunt	14−16 +650%	2−3 −650%
Watch Dogs: Legion	40−45 +413%	8−9 −413%

Full HD
Ultra Preset

Assassin's Creed Odyssey	10−11 +900%	1−2 −900%
Assassin's Creed Valhalla	2−3	0−1
Call of Duty: Modern Warfare	8−9 +700%	1−2 −700%
Cyberpunk 2077	6−7 +500%	1−2 −500%
Far Cry 5	7−8 +600%	1−2 −600%
Forza Horizon 4	20−22 +567%	3−4 −567%
Hitman 3	9−10 +800%	1−2 −800%
Horizon Zero Dawn	24−27 +525%	4−5 −525%
Shadow of the Tomb Raider	14−16 +600%	2−3 −600%
The Witcher 3: Wild Hunt	14−16 +650%	2−3 −650%
Watch Dogs: Legion	40−45 +413%	8−9 −413%

Full HD
Epic Preset

Red Dead Redemption 2

9−10
+800%

1−2

−800%

1440p
High Preset

Battlefield 5	6−7 +500%	1−2 −500%
Far Cry New Dawn	5−6	0−1

1440p
Ultra Preset

Assassin's Creed Odyssey	3−4	0−1
Call of Duty: Modern Warfare	3−4	0−1
Cyberpunk 2077	2−3	0−1
Far Cry 5	4−5	0−1
Forza Horizon 4	1−2	0−1
Hitman 3	8−9 +700%	1−2 −700%
Horizon Zero Dawn	8−9 +700%	1−2 −700%
The Witcher 3: Wild Hunt	3−4	0−1
Watch Dogs: Legion	21−24 +425%	4−5 −425%

1440p
Epic Preset

Red Dead Redemption 2

7−8
+600%

1−2

−600%

4K
High Preset

Battlefield 5	2−3	0−1
Far Cry New Dawn	2−3	0−1

4K
Ultra Preset

Assassin's Creed Odyssey	2−3	0−1
Assassin's Creed Valhalla	1−2	0−1
Call of Duty: Modern Warfare	1−2	0−1
Cyberpunk 2077	0−1	0−1
Far Cry 5	2−3	0−1
Forza Horizon 4	1−2	0−1
Watch Dogs: Legion	1−2	0−1

4K
Epic Preset

Red Dead Redemption 2

4−5

0−1

Pros & cons summary

Performance score	3.43	0.67
Recency	24 April 2012	9 March 2006
Maximum RAM amount	1 GB	256 MB
Chip lithography	28 nm	90 nm
Power consumption (TDP)	32 Watt	48 Watt

HD 7770M has a 411.9% higher aggregate performance score, an age advantage of 6 years, a 300% higher maximum VRAM amount, a 221.4% more advanced lithography process, and 50% lower power consumption.

The Radeon HD 7770M is our recommended choice as it beats the GeForce 7900 GT in performance tests.

Be aware that Radeon HD 7770M is a notebook card while GeForce 7900 GT is a desktop one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.