Radeon HD 6450M vs HD 7850

Place in the ranking	451	1189
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.94	no data
Power efficiency	5.30	no data
Architecture	GCN 1.0 (2011−2020)	TeraScale 2 (2009−2015)
GPU code name	Pitcairn	Seymour
Market segment	Desktop	Laptop
Design	reference	no data
Release date	5 March 2012 (12 years ago)	4 January 2011 (13 years ago)
Launch price (MSRP)	$249	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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	1024	160
Core clock speed	no data	600 MHz
Boost clock speed	1000 MHz	no data
Number of transistors	2,800 million	370 million
Manufacturing process technology	28 nm	40 nm
Power consumption (TDP)	130 Watt	no data
Texture fill rate	55.04	4.800
Floating-point processing power	1.761 TFLOPS	0.192 TFLOPS
ROPs	32	4
TMUs	64	8

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).

Bus support	PCIe 2.1 x16	no data
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	210 mm	no data
Width	2-slot	no data
Supplementary power connectors	1x 6-pin	no data

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	DDR3
Maximum RAM amount	2 GB	1 GB
Memory bus width	256 Bit	64 Bit
Memory clock speed	1200 MHz	800 MHz
Memory bandwidth	153.6 GB/s	12.8 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	1x DVI, 1x HDMI, 2x mini-DisplayPort	No outputs
Eyefinity	+	-
HDMI	+	-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire	+	-
FreeSync	+	-

API compatibility

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

DirectX	12	11.2 (11_0)
Shader Model	5.1	5.0
OpenGL	4.6	4.4
OpenCL	1.2	1.2
Vulkan	+	N/A

Gaming performance

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

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD

120−130
+1400%

−1400%

Cost per frame, $

1080p

2.08

no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

3−4

+0%

3−4

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	3−4 +0%	3−4 +0%
Cyberpunk 2077	3−4 +0%	3−4 +0%
Far Cry New Dawn	1−2 +0%	1−2 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	10−12 +0%	10−12 +0%
Shadow of the Tomb Raider	6−7 +0%	6−7 +0%
Watch Dogs: Legion	30−33 +0%	30−33 +0%

Full HD
High Preset

Assassin's Creed Odyssey	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	3−4 +0%	3−4 +0%
Cyberpunk 2077	3−4 +0%	3−4 +0%
Far Cry New Dawn	1−2 +0%	1−2 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	10−12 +0%	10−12 +0%
Shadow of the Tomb Raider	6−7 +0%	6−7 +0%
The Witcher 3: Wild Hunt	10−11 +0%	10−11 +0%
Watch Dogs: Legion	30−33 +0%	30−33 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	3−4 +0%	3−4 +0%
Cyberpunk 2077	3−4 +0%	3−4 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	10−12 +0%	10−12 +0%
Shadow of the Tomb Raider	6−7 +0%	6−7 +0%
The Witcher 3: Wild Hunt	10−11 +0%	10−11 +0%
Watch Dogs: Legion	30−33 +0%	30−33 +0%

1440p
High Preset

Far Cry New Dawn

1−2

+0%

1−2

+0%

1440p
Ultra Preset

Assassin's Creed Odyssey	0−1	0−1
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	1−2 +0%	1−2 +0%
Hitman 3	6−7 +0%	6−7 +0%
Horizon Zero Dawn	3−4 +0%	3−4 +0%
Watch Dogs: Legion	2−3 +0%	2−3 +0%

1440p
Epic Preset

Red Dead Redemption 2

3−4

+0%

3−4

+0%

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 +0%	1−2 +0%
Assassin's Creed Valhalla	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

2−3

+0%

2−3

+0%

This is how HD 7850 and HD 6450M compete in popular games:

HD 7850 is 1400% faster in 1080p

All in all, in popular games:

there's a draw in 35 tests (100%)

Pros & cons summary

Performance score	10.05	0.65
Recency	5 March 2012	4 January 2011
Maximum RAM amount	2 GB	1 GB
Chip lithography	28 nm	40 nm

HD 7850 has a 1446.2% higher aggregate performance score, an age advantage of 1 year, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

The Radeon HD 7850 is our recommended choice as it beats the Radeon HD 6450M in performance tests.

Be aware that Radeon HD 7850 is a desktop card while Radeon HD 6450M is a notebook one.

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