FireStream 9250 vs GeForce GTX 645 OEM
We compared two Desktop platform GPUs: 1024MB VRAM FireStream 9250 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
FireStream 9250 's Advantages
224 additional rendering cores
GeForce GTX 645 OEM 's Advantages
Released 4 years and 10 months late
Larger VRAM bandwidth (64.00GB/s vs 63.55GB/s)
Lower TDP (65W vs 150W)
Score
Benchmark
FP32 (float)
FireStream 9250
+5%
1000
GeForce GTX 645 OEM
949
Graphics Card
Jun 2008
Release Date
Apr 2013
FireStream
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
993 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
128bit
63.55GB/s
Bandwidth
64.00GB/s
Render Config
10
Compute Units
-
800
Shading Units
576
40
TMUs
48
16
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
Theoretical Performance
10.00 GPixel/s
Pixel Rate
9.888 GPixel/s
25.00 GTexel/s
Texture Rate
39.55 GTexel/s
1000 GFLOPS
FP32 (float)
949.2 GFLOPS
200.0 GFLOPS
FP64 (double)
39.55 GFLOPS
Board Design
150W
TDP
65W
450 W
Suggested PSU
250 W
1x DVI
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin
Power Connectors
None
Graphics Processor
RV770
GPU Name
GK106
RV770 PRO
GPU Variant
GK106-200-A1
TeraScale
Architecture
Kepler
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.956 billion
Transistors
2.54 billion
256 mm²
Die Size
221 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
4.1
Shader Model
5.1