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GPU Comparison
AMD Radeon R7 265 vs ATI Radeon HD 4450
AMD Radeon R7 265 vs ATI Radeon HD 4450
VS
AMD Radeon R7 265
ATI Radeon HD 4450
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 and 512MB VRAM Radeon HD 4450 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 3 months late
Boost Clock925MHz
Larger VRAM bandwidth (179.2GB/s vs 6.400GB/s)
944 additional rendering cores
ATI Radeon HD 4450 's Advantages
Lower TDP (25W vs 150W)
Score
Benchmark
FP32 (float)
Radeon R7 265
+1872%
1.894 TFLOPS
Radeon HD 4450
0.096 TFLOPS
Radeon R7 265
VS
Radeon HD 4450
Graphics Card
Feb 2014
Release Date
Nov 2011
Volcanic Islands
Generation
Radeon R700
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
400 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
179.2GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
-
16
Compute Units
1
1024
Shading Units
80
64
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
64 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
2.400 GPixel/s
59.20 GTexel/s
Texture Rate
4.800 GTexel/s
-
FP16 (half)
-
1.894 TFLOPS
FP32 (float)
96.00 GFLOPS
118.4 GFLOPS
FP64 (double)
-
Graphics Processor
Pitcairn
GPU Name
RV710
Pitcairn PRO (215-0828062)
GPU Variant
RV710 (215-0725016)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.8 billion
Transistors
0.242 billion
212 mm²
Die Size
73 mm²
Board Design
150W
TDP
25W
450 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0
1x 6-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
4.1
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