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GPU Comparison
ATI Radeon HD 4870 vs AMD Radeon R5 235 OEM
ATI Radeon HD 4870 vs AMD Radeon R5 235 OEM
VS
ATI Radeon HD 4870
AMD Radeon R5 235 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 1024MB VRAM Radeon R5 235 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4870 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)
640 additional rendering cores
AMD Radeon R5 235 OEM 's Advantages
Released 5 years and 6 months late
More VRAM (1024GB vs 512GB)
Lower TDP (35W vs 150W)
Score
Benchmark
FP32 (float)
Radeon HD 4870
+383%
1.2 TFLOPS
Radeon R5 235 OEM
0.248 TFLOPS
Radeon HD 4870
VS
Radeon R5 235 OEM
Graphics Card
Jun 2008
Release Date
Dec 2013
Radeon R700
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
900 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
115.2GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
-
10
Compute Units
2
800
Shading Units
160
40
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
Theoretical Performance
12.00 GPixel/s
Pixel Rate
3.100 GPixel/s
30.00 GTexel/s
Texture Rate
6.200 GTexel/s
-
FP16 (half)
-
1200 GFLOPS
FP32 (float)
248.0 GFLOPS
240.0 GFLOPS
FP64 (double)
-
Graphics Processor
RV770
GPU Name
Caicos
RV770 XT (215-0669049)
GPU Variant
Caicos XT (215-0804070)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
0.37 billion
256 mm²
Die Size
67 mm²
Board Design
150W
TDP
35W
450 W
Suggested PSU
200 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.3a
2x 6-pin
Power Connectors
None
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
4.1
Shader Model
5.0
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