Home GPU Comparison AMD Radeon R7 340 OEM vs ATI Radeon HD 3450

AMD Radeon R7 340 OEM vs ATI Radeon HD 3450

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM and 256MB VRAM Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 340 OEM 's Advantages
Released 7 years and 5 months late
Boost Clock780MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (64.00GB/s vs 8.000GB/s)
344 additional rendering cores
ATI Radeon HD 3450 's Advantages
Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)
Radeon R7 340 OEM +1147%
0.599 TFLOPS
Radeon HD 3450
0.048 TFLOPS
VS

Graphics Card

May 2015
Release Date
Dec 2007
Pirate Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

730 MHz
Base Clock
-
780 MHz
Boost Clock
-
1000 MHz
Memory Clock
500 MHz

Memory

2GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
64bit
64.00GB/s
Bandwidth
8.000GB/s

Render Config

6
Compute Units
2
-
-
-
384
Shading Units
40
24
TMUs
4
8
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
64 KB
-
-
-

Theoretical Performance

6.240 GPixel/s
Pixel Rate
2.400 GPixel/s
18.72 GTexel/s
Texture Rate
2.400 GTexel/s
-
-
-
599.0 GFLOPS
FP32 (float)
48.00 GFLOPS
37.44 GFLOPS
FP64 (double)
-

Board Design

50W
TDP
25W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 1x VGA
Outputs
1x DVI 1x VGA 1x S-Video
None
Power Connectors
None

Graphics Processor

Oland
GPU Name
RV620
-
GPU Variant
RV620 LE
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
0.95 billion
Transistors
0.181 billion
77 mm²
Die Size
67 mm²

Graphics Features

12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.1

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