Home GPU Comparison ATI Radeon HD 2900 PRO vs AMD Radeon HD 6750

ATI Radeon HD 2900 PRO vs AMD Radeon HD 6750

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 1024MB VRAM Radeon HD 6750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750 's Advantages
Released 3 years and 1 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (73.60GB/s vs 51.20GB/s)
400 additional rendering cores
Lower TDP (86W vs 200W)

Score

Benchmark

FP32 (float)
Radeon HD 2900 PRO
0.384 TFLOPS
Radeon HD 6750 +162%
1.008 TFLOPS
VS

Graphics Card

Dec 2007
Release Date
Jan 2011
Radeon R600
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
1150 MHz

Memory

512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
128bit
51.20GB/s
Bandwidth
73.60GB/s

Render Config

4
Compute Units
9
-
-
-
320
Shading Units
720
16
TMUs
36
16
ROPs
16
-
-
-
-
-
-
-
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

9.600 GPixel/s
Pixel Rate
11.20 GPixel/s
9.600 GTexel/s
Texture Rate
25.20 GTexel/s
-
-
-
384.0 GFLOPS
FP32 (float)
1008 GFLOPS
-
-
-

Board Design

200W
TDP
86W
550 W
Suggested PSU
250 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
1x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

R600
GPU Name
Juniper
R600 PRO (215RGMDKA13FG)
GPU Variant
Juniper LE (215-0754009)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
80 nm
Process Size
40 nm
0.72 billion
Transistors
1.04 billion
420 mm²
Die Size
166 mm²

Graphics Features

10.0 (10_0)
DirectX
11.2 (11_0)
3.3 (full) 4.0 (partial)
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.0
Shader Model
5.0

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