NVIDIA GeForce GT 545 vs AMD Radeon HD 7970 GHz Edition
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 and 3GB VRAM Radeon HD 7970 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 545 's Advantages
Lower TDP (70W vs 300W)
AMD Radeon HD 7970 GHz Edition 's Advantages
Released 1 years and 1 months late
Boost Clock1050MHz
More VRAM (3GB vs 1536GB)
Larger VRAM bandwidth (288.0GB/s vs 38.40GB/s)
1904 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 545
0.415 TFLOPS
Radeon HD 7970 GHz Edition
+936%
4.301 TFLOPS
Graphics Card
May 2011
Release Date
Jun 2012
GeForce 500
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1000 MHz
-
Boost Clock
1050 MHz
800 MHz
Memory Clock
1500 MHz
Memory
1536MB
Memory Size
3GB
DDR3
Memory Type
GDDR5
192bit
Memory Bus
384bit
38.40GB/s
Bandwidth
288.0GB/s
Render Config
-
Compute Units
32
3
SM Count
-
144
Shading Units
2048
24
TMUs
128
16
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
768 KB
-
-
-
Theoretical Performance
4.320 GPixel/s
Pixel Rate
33.60 GPixel/s
17.28 GTexel/s
Texture Rate
134.4 GTexel/s
-
-
-
414.7 GFLOPS
FP32 (float)
4.301 TFLOPS
34.56 GFLOPS
FP64 (double)
1075 GFLOPS
Board Design
70W
TDP
300W
250 W
Suggested PSU
700 W
1x DVI
1x HDMI 1.3a
1x VGA
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GF116
GPU Name
Tahiti
-
GPU Variant
Tahiti XT2
(215-0821065)
Fermi 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.17 billion
Transistors
4.313 billion
238 mm²
Die Size
352 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
2.1
CUDA
-
5.1
Shader Model
5.1
