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GPU Comparison
AMD Radeon R7 265 vs AMD Radeon HD 7970
AMD Radeon R7 265 vs AMD Radeon HD 7970
VS
AMD Radeon R7 265
AMD Radeon HD 7970
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 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 R7 265 's Advantages
Released 2 years and 2 months late
Boost Clock925MHz
Lower TDP (150W vs 250W)
AMD Radeon HD 7970 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (264.0GB/s vs 179.2GB/s)
1024 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 265
1.894 TFLOPS
Radeon HD 7970
+100%
3.789 TFLOPS
Radeon R7 265
VS
Radeon HD 7970
Graphics Card
Feb 2014
Release Date
Dec 2011
Volcanic Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Base Clock
-
925 MHz
Boost Clock
-
1400 MHz
Memory Clock
1375 MHz
Memory
2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
179.2GB/s
Bandwidth
264.0GB/s
Render Config
-
SM Count
-
16
Compute Units
32
1024
Shading Units
2048
64
TMUs
128
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
768 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
29.60 GPixel/s
59.20 GTexel/s
Texture Rate
118.4 GTexel/s
-
FP16 (half)
-
1.894 TFLOPS
FP32 (float)
3.789 TFLOPS
118.4 GFLOPS
FP64 (double)
947.2 GFLOPS
Graphics Processor
Pitcairn
GPU Name
Tahiti
Pitcairn PRO (215-0828062)
GPU Variant
Tahiti XT (215-0821060)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
4.313 billion
212 mm²
Die Size
352 mm²
Board Design
150W
TDP
250W
450 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
5.1
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