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GPU Comparison
AMD Radeon HD 7450 OEM vs AMD Radeon HD 7970
AMD Radeon HD 7450 OEM vs AMD Radeon HD 7970
VS
AMD Radeon HD 7450 OEM
AMD Radeon HD 7970
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7450 OEM 's Advantages
Lower TDP (18W vs 250W)
AMD Radeon HD 7970 's Advantages
Larger VRAM bandwidth (264.0GB/s vs 8.528GB/s)
1888 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7450 OEM
0.2 TFLOPS
Radeon HD 7970
+1794%
3.789 TFLOPS
Radeon HD 7450 OEM
VS
Radeon HD 7970
Graphics Card
Jan 2012
Release Date
Dec 2011
Southern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
533 MHz
Memory Clock
1375 MHz
Memory
512MB
Memory Size
3GB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
384bit
8.528GB/s
Bandwidth
264.0GB/s
Render Config
-
SM Count
-
2
Compute Units
32
160
Shading Units
2048
8
TMUs
128
4
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
768 KB
Theoretical Performance
2.500 GPixel/s
Pixel Rate
29.60 GPixel/s
5.000 GTexel/s
Texture Rate
118.4 GTexel/s
-
FP16 (half)
-
200.0 GFLOPS
FP32 (float)
3.789 TFLOPS
-
FP64 (double)
947.2 GFLOPS
Graphics Processor
Caicos
GPU Name
Tahiti
Caimour
GPU Variant
Tahiti XT (215-0821060)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
4.313 billion
67 mm²
Die Size
352 mm²
Board Design
18W
TDP
250W
200 W
Suggested PSU
600 W
1x DVI 1x HDMI 1.3a
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
5.1
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