Radeon R7 340 OEM vs Radeon RX 7800 XT
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM and 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R7 340 OEM Advantages
Lower TDP (50W vs 263W)
Radeon RX 7800 XT Advantages
Released 8 years and 3 months late
Boost Clock has increased by 212% (2430MHz vs 780MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (624.1GB/s vs 64.00GB/s)
3456 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 340 OEM
599
Radeon RX 7800 XT
+6130%
37320
Graphics Card
May 2015
Release Date
Aug 2023
Pirate Islands
Generation
Navi III
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
730 MHz
Base Clock
1295 MHz
780 MHz
Boost Clock
2430 MHz
1000 MHz
Memory Clock
2438 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
256bit
64.00GB/s
Bandwidth
624.1GB/s
Render Config
6
Compute Units
60
384
Shading Units
3840
24
TMUs
240
8
ROPs
96
-
RT Cores
60
16 KB (per CU)
L1 Cache
128 KB per Array
256 KB
L2 Cache
4 MB
-
L3 Cache
64 MB
Theoretical Performance
6.240 GPixel/s
Pixel Rate
233.3 GPixel/s
18.72 GTexel/s
Texture Rate
583.2 GTexel/s
-
FP16 (half)
74.65 TFLOPS
599.0 GFLOPS
FP32 (float)
37.32 TFLOPS
37.44 GFLOPS
FP64 (double)
1166 GFLOPS
Board Design
50W
TDP
263W
250 W
Suggested PSU
600 W
1x DVI
1x HDMI 1.4a
1x VGA
1x HDMI 1.4a
1x VGA
Outputs
1x HDMI 2.1a
3x DisplayPort 2.1
3x DisplayPort 2.1
None
Power Connectors
2x 8-pin
Graphics Processor
Oland
GPU Name
Navi 32
-
GPU Variant
Navi 32 XT
(215-180000006)
(215-180000006)
GCN 1.0
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
0.95 billion
Transistors
28.1 billion
77 mm²
Die Size
346 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.2
1.2
Vulkan
1.3
5.1
Shader Model
6.7
