Home GPU Comparison ATI Radeon HD 4870 vs AMD Radeon R5 235X OEM

ATI Radeon HD 4870 vs AMD Radeon R5 235X OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 1024MB VRAM Radeon R5 235X 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 235X OEM 's Advantages
Released 5 years and 6 months late
More VRAM (1024GB vs 512GB)
Lower TDP (18W vs 150W)

Score

Benchmark

FP32 (float)
Radeon HD 4870 +328%
1.2 TFLOPS
Radeon R5 235X OEM
0.28 TFLOPS
VS

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

-
-
-
-
-
-
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

10
Compute Units
2
-
-
-
800
Shading Units
160
40
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

12.00 GPixel/s
Pixel Rate
3.500 GPixel/s
30.00 GTexel/s
Texture Rate
7.000 GTexel/s
-
-
-
1200 GFLOPS
FP32 (float)
280.0 GFLOPS
240.0 GFLOPS
FP64 (double)
-

Board Design

150W
TDP
18W
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 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

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
-
-
-
4.1
Shader Model
5.0

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