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GPU Comparison
AMD Radeon HD 7970 vs ATI Radeon HD 3450 AGP
AMD Radeon HD 7970 vs ATI Radeon HD 3450 AGP
VS
AMD Radeon HD 7970
ATI Radeon HD 3450 AGP
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 512MB VRAM Radeon HD 3450 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970 's Advantages
Released 3 years and 11 months late
Larger VRAM bandwidth (264.0GB/s vs 8.000GB/s)
2008 additional rendering cores
ATI Radeon HD 3450 AGP 's Advantages
Lower TDP (25W vs 250W)
Score
Benchmark
FP32 (float)
Radeon HD 7970
+7793%
3.789 TFLOPS
Radeon HD 3450 AGP
0.048 TFLOPS
Radeon HD 7970
VS
Radeon HD 3450 AGP
Graphics Card
Dec 2011
Release Date
Jan 2008
Southern Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
AGP 8x
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1375 MHz
Memory Clock
500 MHz
Memory
3GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
384bit
Memory Bus
64bit
264.0GB/s
Bandwidth
8.000GB/s
Render Config
-
SM Count
-
32
Compute Units
2
2048
Shading Units
40
128
TMUs
4
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
64 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
2.400 GPixel/s
118.4 GTexel/s
Texture Rate
2.400 GTexel/s
-
FP16 (half)
-
3.789 TFLOPS
FP32 (float)
48.00 GFLOPS
947.2 GFLOPS
FP64 (double)
-
Graphics Processor
Tahiti
GPU Name
RV620
Tahiti XT (215-0821060)
GPU Variant
RV620 LE
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.181 billion
352 mm²
Die Size
67 mm²
Board Design
250W
TDP
25W
600 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI
1x 6-pin + 1x 8-pin
Power Connectors
1x Molex
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
4.1
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