Home GPU Comparison AMD FireStream 9170 vs NVIDIA GeForce GT 645 OEM

AMD FireStream 9170 vs NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9170 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FireStream 9170 's Advantages
More VRAM (2GB vs 1024GB)
32 additional rendering cores
NVIDIA GeForce GT 645 OEM 's Advantages
Released 4 years and 5 months late
Larger VRAM bandwidth (91.87GB/s vs 51.33GB/s)
Lower TDP (102W vs 105W)

Score

Benchmark

FP32 (float)
FireStream 9170
0.497 TFLOPS
GeForce GT 645 OEM +79%
0.894 TFLOPS
VS

Graphics Card

Nov 2007
Release Date
Apr 2012
FireStream
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
802 MHz
Memory Clock
957 MHz

Memory

2GB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
192bit
51.33GB/s
Bandwidth
91.87GB/s

Render Config

4
Compute Units
-
-
SM Count
6
320
Shading Units
288
16
TMUs
48
16
ROPs
24
-
-
-
-
-
-
-
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
384 KB
-
-
-

Theoretical Performance

12.43 GPixel/s
Pixel Rate
9.312 GPixel/s
12.43 GTexel/s
Texture Rate
37.25 GTexel/s
-
-
-
497.3 GFLOPS
FP32 (float)
894.0 GFLOPS
99.46 GFLOPS
FP64 (double)
74.50 GFLOPS

Board Design

105W
TDP
102W
300 W
Suggested PSU
300 W
2x DVI 1x S-Video
Outputs
2x DVI 1x mini-HDMI 1.3a
1x 6-pin
Power Connectors
-

Graphics Processor

RV670
GPU Name
GF114
-
-
-
TeraScale
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.666 billion
Transistors
1.95 billion
192 mm²
Die Size
332 mm²

Graphics Features

10.1 (10_1)
DirectX
12 (11_0)
3.3 (full) 4.0 (partial)
OpenGL
4.6
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
4.1
Shader Model
5.1

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