Radeon RX 6700 XT vs Radeon HD 4870 X2
We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6700 XT 's Advantages
Released 12 years and 7 months late
Boost Clock2581MHz
More VRAM (12GB vs 1024GB)
Larger VRAM bandwidth (384.0GB/s vs 115.2GB/s)
1760 additional rendering cores
Lower TDP (230W vs 286W)
Score
Benchmark
FP32 (float)
Radeon RX 6700 XT
+1000%
13210
Radeon HD 4870 X2
1200
Graphics Card
Mar 2021
Release Date
Aug 2008
Navi II
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2321 MHz
Base Clock
-
2581 MHz
Boost Clock
-
2000 MHz
Memory Clock
900 MHz
Memory
12GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
256bit
384.0GB/s
Bandwidth
115.2GB/s
Render Config
40
Compute Units
10
2560
Shading Units
800
160
TMUs
40
64
ROPs
16
40
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
3 MB
L2 Cache
256 KB
96 MB
L3 Cache
-
Theoretical Performance
165.2 GPixel/s
Pixel Rate
12.00 GPixel/s
413.0 GTexel/s
Texture Rate
30.00 GTexel/s
26.43 TFLOPS
FP16 (half)
-
13.21 TFLOPS
FP32 (float)
1200 GFLOPS
825.9 GFLOPS
FP64 (double)
240.0 GFLOPS
Board Design
230W
TDP
286W
550 W
Suggested PSU
600 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Navi 22
GPU Name
R700
Navi 22 XT
(215-127000006)
GPU Variant
R700 XT
(215-0669045)
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
7 nm
Process Size
55 nm
17.2 billion
Transistors
0.956 billion
335 mm²
Die Size
256 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.3
Vulkan
N/A
6.5
Shader Model
4.1
