Maxwell GPU Surface Book (940M, GDDR5) vs ATI Radeon HD 4830

Place in the ranking	854	707
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.20	no data
Power efficiency	1.62	no data
Architecture	TeraScale (2005−2013)	Maxwell (2014−2017)
GPU code name	RV770	Surface Book
Market segment	Desktop	Laptop
Release date	21 October 2008 (16 years ago)	1 October 2015 (9 years ago)
Launch price (MSRP)	$130	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	640	384
Core clock speed	575 MHz	954 MHz
Boost clock speed	no data	993 MHz
Number of transistors	956 million	no data
Manufacturing process technology	55 nm	28 nm
Power consumption (TDP)	95 Watt	no data
Texture fill rate	18.40	no data
Floating-point processing power	0.736 TFLOPS	no data
ROPs	16	no data
TMUs	32	no data

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).

Interface	PCIe 2.0 x16	no data
Length	246 mm	no data
Width	1-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	GDDR3	GDDR5
Maximum RAM amount	512 MB	1 GB
Memory bus width	256 Bit	64 Bit
Memory clock speed	900 MHz	5012 MHz
Memory bandwidth	57.6 GB/s	no data
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

2x DVI, 1x S-Video

no data

Supported technologies

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

Optimus

API compatibility

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

DirectX	10.1 (10_1)	DirectX 12 (FL 11_0), Shader 5.0
Shader Model	4.1	no data
OpenGL	3.3	no data
OpenCL	1.1	no data
Vulkan	N/A	-
CUDA	-	+

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

16−18

−75%

28
+75%

FPS performance in popular games

Full HD
Medium Preset

Assassin's Creed Odyssey	10−12 +0%	10−12 +0%
Battlefield 5	8−9 +0%	8−9 +0%
Call of Duty: Modern Warfare	8−9 +0%	8−9 +0%
Far Cry 5	7−8 +0%	7−8 +0%
Far Cry New Dawn	10−11 +0%	10−11 +0%
Forza Horizon 4	21−24 +0%	21−24 +0%
Red Dead Redemption 2	9−10 +0%	9−10 +0%
Shadow of the Tomb Raider	14−16 +0%	14−16 +0%

Full HD
High Preset

Assassin's Creed Odyssey	10−12 +0%	10−12 +0%
Battlefield 5	8−9 +0%	8−9 +0%
Call of Duty: Modern Warfare	8−9 +0%	8−9 +0%
Far Cry 5	7−8 +0%	7−8 +0%
Far Cry New Dawn	10−11 +0%	10−11 +0%
Forza Horizon 4	21−24 +0%	21−24 +0%
Metro Exodus	6−7 +0%	6−7 +0%
Red Dead Redemption 2	9−10 +0%	9−10 +0%
Shadow of the Tomb Raider	14−16 +0%	14−16 +0%
The Witcher 3: Wild Hunt	14−16 +0%	14−16 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	10−12 +0%	10−12 +0%
Battlefield 5	8−9 +0%	8−9 +0%
Far Cry 5	7−8 +0%	7−8 +0%
Far Cry New Dawn	10−11 +0%	10−11 +0%
Forza Horizon 4	21−24 +0%	21−24 +0%
The Witcher 3: Wild Hunt	14−16 +0%	14−16 +0%

1440p
High Preset

Call of Duty: Modern Warfare	3−4 +0%	3−4 +0%
Red Dead Redemption 2	7−8 +0%	7−8 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Battlefield 5	6−7 +0%	6−7 +0%
Far Cry 5	4−5 +0%	4−5 +0%
Far Cry New Dawn	6−7 +0%	6−7 +0%
Forza Horizon 4	2−3 +0%	2−3 +0%

4K
High Preset

Call of Duty: Modern Warfare	1−2 +0%	1−2 +0%
Red Dead Redemption 2	4−5 +0%	4−5 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	2−3 +0%	2−3 +0%
Battlefield 5	2−3 +0%	2−3 +0%
Far Cry 5	2−3 +0%	2−3 +0%
Far Cry New Dawn	2−3 +0%	2−3 +0%
Forza Horizon 4	2−3 +0%	2−3 +0%

This is how ATI HD 4830 and Maxwell GPU Surface Book (940M, GDDR5) compete in popular games:

Maxwell GPU Surface Book (940M, GDDR5) is 75% faster in 1080p

All in all, in popular games:

there's a draw in 38 tests (100%)

Pros & cons summary

Performance score	2.16	3.69
Recency	21 October 2008	1 October 2015
Maximum RAM amount	512 MB	1 GB
Chip lithography	55 nm	28 nm

Maxwell GPU Surface Book (940M, GDDR5) has a 70.8% higher aggregate performance score, an age advantage of 6 years, a 100% higher maximum VRAM amount, and a 96.4% more advanced lithography process.

The Maxwell GPU Surface Book (940M, GDDR5) is our recommended choice as it beats the Radeon HD 4830 in performance tests.

Be aware that Radeon HD 4830 is a desktop card while Maxwell GPU Surface Book (940M, GDDR5) is a notebook one.

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