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GPU Comparison
AMD Radeon R9 270 vs ATI Radeon HD 4650
AMD Radeon R9 270 vs ATI Radeon HD 4650
VS
AMD Radeon R9 270
ATI Radeon HD 4650
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 256MB VRAM Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270 's Advantages
Released 5 years and 2 months late
Boost Clock925MHz
Larger VRAM bandwidth (179.2GB/s vs 22.40GB/s)
960 additional rendering cores
ATI Radeon HD 4650 's Advantages
Lower TDP (48W vs 150W)
Score
Benchmark
FP32 (float)
Radeon R9 270
+516%
2.368 TFLOPS
Radeon HD 4650
0.384 TFLOPS
Radeon R9 270
VS
Radeon HD 4650
Graphics Card
Nov 2013
Release Date
Sep 2008
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
700 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
179.2GB/s
Bandwidth
22.40GB/s
Render Config
-
SM Count
-
20
Compute Units
4
1280
Shading Units
320
80
TMUs
32
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
4.800 GPixel/s
74.00 GTexel/s
Texture Rate
19.20 GTexel/s
-
FP16 (half)
-
2.368 TFLOPS
FP32 (float)
384.0 GFLOPS
148.0 GFLOPS
FP64 (double)
-
Graphics Processor
Curacao
GPU Name
RV730
Curacao PRO (215-0848000)
GPU Variant
RV730 PRO (215-0719056)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.8 billion
Transistors
0.514 billion
212 mm²
Die Size
146 mm²
Board Design
150W
TDP
48W
450 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
-
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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