ATI FireGL V7700 vs AMD FireStream 9250
We compared two Desktop platform GPUs: 512MB VRAM FireGL V7700 and 1024MB VRAM FireStream 9250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI FireGL V7700 's Advantages
Larger VRAM bandwidth (72.06GB/s vs 63.55GB/s)
AMD FireStream 9250 's Advantages
Released 7 months late
More VRAM (1024GB vs 512GB)
480 additional rendering cores
Score
Benchmark
FP32 (float)
FireGL V7700
0.497 TFLOPS
FireStream 9250
+101%
1 TFLOPS
Graphics Card
Nov 2007
Release Date
Jun 2008
FireGL
Generation
FireStream
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1126 MHz
Memory Clock
993 MHz
Memory
512MB
Memory Size
1024MB
GDDR4
Memory Type
GDDR3
256bit
Memory Bus
256bit
72.06GB/s
Bandwidth
63.55GB/s
Render Config
4
Compute Units
10
-
-
-
320
Shading Units
800
16
TMUs
40
16
ROPs
16
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
12.43 GPixel/s
Pixel Rate
10.00 GPixel/s
12.43 GTexel/s
Texture Rate
25.00 GTexel/s
-
-
-
497.3 GFLOPS
FP32 (float)
1000 GFLOPS
99.46 GFLOPS
FP64 (double)
200.0 GFLOPS
Board Design
Unknown
TDP
150W
200 W
Suggested PSU
450 W
1x DVI
1x DisplayPort
1x S-Video
Outputs
1x DVI
1x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
RV670
GPU Name
RV770
RV670 GL
GPU Variant
RV770 PRO
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.666 billion
Transistors
0.956 billion
192 mm²
Die Size
256 mm²
Graphics Features
10.1 (10_1)
DirectX
10.1 (10_1)
3.3 (full)
4.0 (partial)
OpenGL
3.3
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
4.1
