Home GPU Comparison AMD Radeon HD 8740 OEM vs ATI Radeon HD 4870

AMD Radeon HD 8740 OEM vs ATI Radeon HD 4870

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8740 OEM and 512MB VRAM Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8740 OEM 's Advantages
Released 5 years and 3 months late
More VRAM (1024GB vs 512GB)
Lower TDP (55W vs 150W)
ATI Radeon HD 4870 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 72.00GB/s)
288 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8740 OEM
0.819 TFLOPS
Radeon HD 4870 +46%
1.2 TFLOPS
VS

Graphics Card

Sep 2013
Release Date
Jun 2008
Sea Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1125 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
72.00GB/s
Bandwidth
115.2GB/s

Render Config

8
Compute Units
10
-
-
-
512
Shading Units
800
32
TMUs
40
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

12.80 GPixel/s
Pixel Rate
12.00 GPixel/s
25.60 GTexel/s
Texture Rate
30.00 GTexel/s
-
-
-
819.2 GFLOPS
FP32 (float)
1200 GFLOPS
51.20 GFLOPS
FP64 (double)
240.0 GFLOPS

Board Design

55W
TDP
150W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x S-Video
None
Power Connectors
2x 6-pin

Graphics Processor

Cape Verde
GPU Name
RV770
Cape Verde PRO
GPU Variant
RV770 XT (215-0669049)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.5 billion
Transistors
0.956 billion
123 mm²
Die Size
256 mm²

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
-
-
-
5.1
Shader Model
4.1

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