Home GPU Comparison AMD Radeon R5 340 OEM vs AMD Radeon HD 6870 1600SP Edition

AMD Radeon R5 340 OEM vs AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 340 OEM and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 340 OEM 's Advantages
Released 2 years and 4 months late
Boost Clock780MHz
Lower TDP (65W vs 175W)
AMD Radeon HD 6870 1600SP Edition 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 36.80GB/s)
1216 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R5 340 OEM
0.599 TFLOPS
Radeon HD 6870 1600SP Edition +354%
2.72 TFLOPS
VS

Graphics Card

May 2015
Release Date
Jan 2013
Pirate Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

730 MHz
Base Clock
-
780 MHz
Boost Clock
-
1150 MHz
Memory Clock
1050 MHz

Memory

1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
256bit
36.80GB/s
Bandwidth
134.4GB/s

Render Config

6
Compute Units
20
-
-
-
384
Shading Units
1600
24
TMUs
80
8
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

6.240 GPixel/s
Pixel Rate
27.20 GPixel/s
18.72 GTexel/s
Texture Rate
68.00 GTexel/s
-
-
-
599.0 GFLOPS
FP32 (float)
2.720 TFLOPS
37.44 GFLOPS
FP64 (double)
544.0 GFLOPS

Board Design

65W
TDP
175W
250 W
Suggested PSU
450 W
1x DVI 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
None
Power Connectors
2x 6-pin

Graphics Processor

Oland
GPU Name
Cypress
Oland PRO (215-0837015)
GPU Variant
Cypress XT (215-0735033)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.95 billion
Transistors
2.154 billion
77 mm²
Die Size
334 mm²

Graphics Features

12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0

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