Home GPU Comparison AMD Radeon RX 6900 XT vs AMD Radeon R5 340 OEM

AMD Radeon RX 6900 XT vs AMD Radeon R5 340 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 1024MB VRAM Radeon R5 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XT 's Advantages
Released 5 years and 5 months late
Boost Clock has increased by 188% (2250MHz vs 780MHz)
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (512.0GB/s vs 36.80GB/s)
4736 additional rendering cores
AMD Radeon R5 340 OEM 's Advantages
Lower TDP (65W vs 300W)

Score

Benchmark

FP32 (float)
Radeon RX 6900 XT +3746%
23.04 TFLOPS
Radeon R5 340 OEM
0.599 TFLOPS
VS

Graphics Card

Oct 2020
Release Date
May 2015
Navi II
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

1825 MHz
Base Clock
730 MHz
2250 MHz
Boost Clock
780 MHz
2000 MHz
Memory Clock
1150 MHz

Memory

16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
64bit
512.0GB/s
Bandwidth
36.80GB/s

Render Config

80
Compute Units
6
-
-
-
5120
Shading Units
384
320
TMUs
24
128
ROPs
8
-
-
-
80
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
128 KB
128 MB
L3 Cache
-

Theoretical Performance

288.0 GPixel/s
Pixel Rate
6.240 GPixel/s
720.0 GTexel/s
Texture Rate
18.72 GTexel/s
46.08 TFLOPS
FP16 (half)
-
23.04 TFLOPS
FP32 (float)
599.0 GFLOPS
1440 GFLOPS
FP64 (double)
37.44 GFLOPS

Board Design

300W
TDP
65W
700 W
Suggested PSU
250 W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
1x DVI 1x DisplayPort 1.2
2x 8-pin
Power Connectors
None

Graphics Processor

Navi 21
GPU Name
Oland
Navi 21 XTX (215-121000167)
GPU Variant
Oland PRO (215-0837015)
RDNA 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
26.8 billion
Transistors
0.95 billion
520 mm²
Die Size
77 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.3
Vulkan
1.2
-
-
-
6.5
Shader Model
5.1

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