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GPU Comparison
AMD Radeon R7 265 vs AMD Radeon HD 6450 OEM
AMD Radeon R7 265 vs AMD Radeon HD 6450 OEM
VS
AMD Radeon R7 265
AMD Radeon HD 6450 OEM
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 265 's Advantages
Released 3 years late
Boost Clock925MHz
Larger VRAM bandwidth (179.2GB/s vs 8.528GB/s)
864 additional rendering cores
AMD Radeon HD 6450 OEM 's Advantages
Lower TDP (18W vs 150W)
Score
Benchmark
FP32 (float)
Radeon R7 265
+847%
1.894 TFLOPS
Radeon HD 6450 OEM
0.2 TFLOPS
Radeon R7 265
VS
Radeon HD 6450 OEM
Graphics Card
Feb 2014
Release Date
Feb 2011
Volcanic Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
900 MHz
Base Clock
-
925 MHz
Boost Clock
-
1400 MHz
Memory Clock
533 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
179.2GB/s
Bandwidth
8.528GB/s
Render Config
-
SM Count
-
16
Compute Units
2
1024
Shading Units
160
64
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
2.500 GPixel/s
59.20 GTexel/s
Texture Rate
5.000 GTexel/s
-
FP16 (half)
-
1.894 TFLOPS
FP32 (float)
200.0 GFLOPS
118.4 GFLOPS
FP64 (double)
-
Graphics Processor
Pitcairn
GPU Name
Caicos
Pitcairn PRO (215-0828062)
GPU Variant
Junbonator
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.37 billion
212 mm²
Die Size
67 mm²
Board Design
150W
TDP
18W
450 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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9
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