Home GPU Comparison ATI Radeon HD 2900 PRO vs ATI Radeon HD 5770 X2

ATI Radeon HD 2900 PRO vs ATI Radeon HD 5770 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 1024MB VRAM Radeon HD 5770 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 X2 's Advantages
Released 2 years and 10 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (76.80GB/s vs 51.20GB/s)
480 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 2900 PRO
0.384 TFLOPS
Radeon HD 5770 X2 +254%
1.36 TFLOPS
VS

Graphics Card

Dec 2007
Release Date
Oct 2010
Radeon R600
Generation
Evergreen
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
1200 MHz

Memory

512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
128bit
51.20GB/s
Bandwidth
76.80GB/s

Render Config

4
Compute Units
10
-
-
-
320
Shading Units
800
16
TMUs
40
16
ROPs
16
-
-
-
-
-
-
-
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

9.600 GPixel/s
Pixel Rate
13.60 GPixel/s
9.600 GTexel/s
Texture Rate
34.00 GTexel/s
-
-
-
384.0 GFLOPS
FP32 (float)
1360 GFLOPS
-
-
-

Board Design

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

Graphics Processor

R600
GPU Name
Juniper
R600 PRO (215RGMDKA13FG)
GPU Variant
Juniper XT (215-0754013)
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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