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GPU Comparison
AMD Radeon HD 8870 OEM vs ATI Radeon HD 4520
AMD Radeon HD 8870 OEM vs ATI Radeon HD 4520
VS
AMD Radeon HD 8870 OEM
ATI Radeon HD 4520
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 512MB VRAM Radeon HD 4520 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8870 OEM 's Advantages
Released 3 years and 1 months late
Larger VRAM bandwidth (153.6GB/s vs 6.400GB/s)
1200 additional rendering cores
ATI Radeon HD 4520 's Advantages
Lower TDP (25W vs 175W)
Score
Benchmark
FP32 (float)
Radeon HD 8870 OEM
+2566%
2.56 TFLOPS
Radeon HD 4520
0.096 TFLOPS
Radeon HD 8870 OEM
VS
Radeon HD 4520
Graphics Card
Jan 2013
Release Date
Dec 2009
Sea Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
153.6GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
-
20
Compute Units
1
1280
Shading Units
80
80
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
32.00 GPixel/s
Pixel Rate
2.400 GPixel/s
80.00 GTexel/s
Texture Rate
4.800 GTexel/s
-
FP16 (half)
-
2.560 TFLOPS
FP32 (float)
96.00 GFLOPS
160.0 GFLOPS
FP64 (double)
-
Graphics Processor
Pitcairn
GPU Name
RV710
Pitcairn XT (215-0828047)
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
175W
TDP
25W
450 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0
2x 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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