AMD Radeon HD 7970 vs NVIDIA GeForce RTX 5070 Mobile Comparison

# Where Each One Wins

The recorded data splits this comparison into two very different use cases. The AMD Radeon HD 7970 is an end-of-life desktop part from the Southern Islands generation, while the NVIDIA GeForce RTX 5070 Mobile is an active, portable-device GPU from the GeForce 50-series. Benchmark results show a single head-to-head test, Geekbench OpenCL, where the RTX 5070 Mobile wins outright with a score of 122238 against the HD 7970's 34541, a 71.7% margin.

The AMD Radeon HD 7970's only recorded win category is zero, as it loses the sole comparative benchmark. However, its nearest rivals in the database include the NVIDIA T1000 8 GB (34561, just 0.1% ahead), NVIDIA A2 (34690, 0.4% ahead), NVIDIA TITAN V (34355, 0.5% behind), and NVIDIA RTX A1000 (34207, 1% ahead). This places the HD 7970 in a narrow performance band around 34-35k Geekbench OpenCL points, meaning it competes with entry-level professional cards from several generations later. Its percentile of 79 among all GPUs indicates it still ranks above most historical parts, but the absolute score is low by modern standards.

The NVIDIA RTX 5070 Mobile wins the only head-to-head test, and its benchmark suite is far more extensive. It posts scores of 122238 in Geekbench OpenCL, 116960 in Geekbench Vulkan, 20355 in Passmark G3D, and 8279 in Passmark GPU Compute. Its nearest rivals show it sits at the level of desktop cards like the RTX 3070 Ti (29945 average, 0.1% ahead), RTX 2080 Ti (29783, 0.5% behind), RX 6800 (30095, 0.6% ahead), and RX 6700 (30433, 1.7% ahead). The RTX 5070 Mobile's average benchmark score of 29928 places it in the upper-midrange of the database, though its percentile of 75 is slightly below the HD 7970's 79 due to the different distribution of scores.

The use-case split is clear: the HD 7970 is a legacy desktop card for older systems or compatibility-focused builds, while the RTX 5070 Mobile is a current-generation laptop GPU for modern workloads, including ray tracing and tensor operations, which the HD 7970 does not support at all. The RTX 5070 Mobile also supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, whereas the HD 7970 only reaches DirectX 12 (11_1) and Vulkan 1.2.170.

# FAQ

Q: Which GPU has the higher Geekbench OpenCL score?

A: The NVIDIA GeForce RTX 5070 Mobile scores 122238, which is 71.7% higher than the AMD Radeon HD 7970's 34541. This is the only head-to-head benchmark recorded in the database.

Q: How does the RTX 5070 Mobile compare to its nearest rivals?

A: Its average benchmark score is 29928. The nearest rival is the NVIDIA GeForce RTX 3070 Ti at 29945 (0.1% ahead), followed by the RTX 2080 Ti at 29783 (0.5% behind), AMD Radeon RX 6800 at 30095 (0.6% ahead), and AMD Radeon RX 6700 at 30433 (1.7% ahead).

Q: What is the HD 7970's standing among its nearest competitors?

A: The HD 7970's average score is 34541. It trails the NVIDIA T1000 8 GB (34561, 0.1% behind) and NVIDIA A2 (34690, 0.4% behind), but it beats the NVIDIA TITAN V (34355, 0.5% ahead) and NVIDIA RTX A1000 (34207, 1% ahead). The differences are all within 1%, making these cards statistically equivalent.

Q: Does the RTX 5070 Mobile support ray tracing?

A: Yes, the RTX 5070 Mobile includes 36 RT cores and 144 tensor cores. The HD 7970 has no RT cores or tensor cores listed, so it lacks dedicated ray tracing and tensor acceleration.

Q: What is the memory configuration difference?

A: The HD 7970 has 3 GB of GDDR5 on a 384-bit bus with 264.0 GB/s bandwidth. The RTX 5070 Mobile has 8 GB of GDDR7 on a 128-bit bus with 384.0 GB/s bandwidth, which is 45.5% higher bandwidth despite a narrower bus.

Q: How do their transistor counts and die sizes compare?

A: The HD 7970 uses 4,313 million transistors on a 352 mm² die (12.3M per mm²), while the RTX 5070 Mobile uses 21,900 million transistors on a 181 mm² die (121.0M per mm²). The RTX 5070 Mobile has about 5.1 times the transistor count in roughly half the die area.

# Head-to-Head Benchmarks

The only direct comparison in the database is Geekbench OpenCL. The NVIDIA GeForce RTX 5070 Mobile achieves 122238, while the AMD Radeon HD 7970 achieves 34541. The delta is 71.7% in favor of the RTX 5070 Mobile. This is not a marginal difference; it represents a performance gap of roughly 3.5 times. For context, the HD 7970's nearest rival, the NVIDIA T1000 8 GB, scores 34561, which is essentially identical (0.1% difference). The RTX 5070 Mobile's nearest rival, the RTX 3070 Ti, scores 29945 on average, which is 0.1% ahead of the mobile card. This means the RTX 5070 Mobile is competitive with desktop GPUs from two generations prior, while the HD 7970 is competitive with low-end professional cards from the same era.

Beyond the single head-to-head, the RTX 5070 Mobile has additional benchmark data that shows its broader capability. In Geekbench Vulkan, it scores 116960, which is close to its OpenCL result, indicating consistent compute performance across APIs. In Passmark G3D, it scores 20355, and in Passmark GPU Compute, it scores 8279. These Passmark scores are not directly comparable to the HD 7970 because the database only records a single OpenCL test for the older card. The RTX 5070 Mobile also has DirectX-specific Passmark results: 129 for DirectX 10, 192 for DirectX 11, 93 for DirectX 12, and 214 for DirectX 9. The G2D score is 896, which reflects 2D graphics performance.

The wins are one-sided: the RTX 5070 Mobile wins 1 of 1 head-to-head tests, while the HD 7970 wins 0. The magnitude of the OpenCL win is substantial, and the RTX 5070 Mobile also has a much higher peak FP32 throughput (13.13 TFLOPS vs 3.789 TFLOPS), which is 3.5 times higher. This aligns with the OpenCL score difference. Pixel rate is also higher on the RTX 5070 Mobile (68.40 GPixel/s vs 29.60 GPixel/s), as is texture rate (205.2 GTexel/s vs 118.4 GTexel/s). These raw throughput numbers support the benchmark results, though the database only records the one head-to-head test.

# Specification Differences

The two GPUs differ in nearly every specification category. The HD 7970 has 2048 shading units, 128 TMUs, and 32 ROPs. The RTX 5070 Mobile has 4608 shading units, 144 TMUs, and 48 ROPs. The RTX 5070 Mobile has more than double the shading units and 50% more ROPs. Memory capacity differs: 3 GB GDDR5 versus 8 GB GDDR7. The bus width is 384-bit versus 128-bit, but the RTX 5070 Mobile's GDDR7 at 24 Gbps effective delivers 384.0 GB/s versus the HD 7970's 264.0 GB/s.

Power draw is a major differentiator. The HD 7970 has a TDP of 250 W with a suggested PSU of 600 W and requires 1x 6-pin plus 1x 8-pin power connectors. The RTX 5070 Mobile has a TDP of 50 W, no power connectors, and no suggested PSU, as it is an IGP (integrated graphics processor) for portable devices. The HD 7970 is dual-slot with dimensions of 275 mm length, 111 mm height, and 38 mm width. The RTX 5070 Mobile has no listed dimensions because it is integrated.

The bus interface differs: PCIe 3.0 x16 for the HD 7970 versus PCIe 5.0 x16 for the RTX 5070 Mobile. Display outputs also differ: the HD 7970 has 1x DVI, 1x HDMI 1.4a, and 2x mini-DisplayPort 1.2, while the RTX 5070 Mobile's outputs are "Portable Device Dependent." The launch MSRP for the HD 7970 is 549 USD; the RTX 5070 Mobile has no launch MSRP recorded.

Clock speeds show a generational shift. The HD 7970 has no base or boost clock listed, but its memory clock is 1375 MHz (5.5 Gbps effective). The RTX 5070 Mobile has a base clock of 907 MHz and a boost clock of 1425 MHz, with memory at 1500 MHz (24 Gbps effective). The RTX 5070 Mobile's boost clock is 57.1% higher than its base, while the HD 7970's memory clock is much lower in effective terms.

# Architecture Differences

The HD 7970 is built on GCN 1.0 architecture using the Tahiti chip, manufactured on TSMC's 28 nm process. It belongs to the Southern Islands generation (HD 7900) and has a transistor count of 4,313 million on a 352 mm² die, giving a density of 12.3M per mm². The RTX 5070 Mobile uses Blackwell 2.0 architecture with the GB206 chip, on TSMC's 5 nm process, and belongs to the GeForce 50 Mobile generation. It has 21,900 million transistors on a 181 mm² die, reaching 121.0M per mm², which is nearly 10 times the transistor density of the HD 7970.

The RTX 5070 Mobile includes 36 RT cores and 144 tensor cores, features entirely absent from the HD 7970. This enables hardware ray tracing and AI acceleration, which the older architecture cannot provide. The HD 7970 supports DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170. The RTX 5070 Mobile supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The DirectX feature level difference is significant: 12_2 includes features like mesh shaders and variable-rate shading that are not available on 11_1.

The FP16 capability also differs. The HD 7970 has no FP16 listed, while the RTX 5070 Mobile has FP16 at 13.13 TFLOPS (1:1 ratio with FP32). This indicates the modern architecture can handle half-precision compute at full speed, which is useful for AI and machine learning workloads. The RTX 5070 Mobile's FP32 is 13.13 TFLOPS, versus 3.789 TFLOPS for the HD 7970, a 3.5x difference. The production status differs: the HD 7970 is end-of-life, while the RTX 5070 Mobile is active. Release dates are 2012-01-08 for the HD 7970 and 2025-04-14 for the RTX 5070 Mobile, a gap of over 13 years.

# The Verdict

The benchmark data makes the choice straightforward for most users. The NVIDIA GeForce RTX 5070 Mobile is the superior performer in the sole recorded head-to-head test, with 71.7% higher Geekbench OpenCL score. Its 13.13 TFLOPS FP32, 36 RT cores, and 144 tensor cores provide modern capabilities that the HD 7970 cannot match. The RTX 5070 Mobile also has more memory (8 GB vs 3 GB), higher bandwidth (384.0 GB/s vs 264.0 GB/s), and supports newer APIs including DirectX 12 Ultimate and Vulkan 1.4.

The HD 7970's advantages are limited to its desktop form factor and legacy compatibility. It has a 384-bit memory bus, which is wider than the RTX 5070 Mobile's 128-bit bus, but the GDDR7 memory on the newer card compensates with higher effective speed. The HD 7970's nearest rivals are all within 1% of its score, indicating it performs at the level of entry-level professional GPUs from later generations. Its 79th percentile among all GPUs is slightly higher than the RTX 5070 Mobile's 75th percentile, but this reflects the different score distributions rather than actual performance superiority.

For users building a modern system, the RTX 5070 Mobile is the clear choice: it is active, has lower power draw (50 W vs 250 W), and offers ray tracing and tensor cores. For users maintaining legacy systems or requiring a desktop card with specific display outputs, the HD 7970 remains a functional option, but its end-of-life status and lack of modern features limit its utility. The data shows a decisive generational leap: the RTX 5070 Mobile is roughly 3.5 times faster in raw FP32 throughput and OpenCL compute, with additional hardware features that the HD 7970 does not possess. The verdict is unambiguous: the RTX 5070 Mobile wins on every measurable performance metric, and the HD 7970's only edge is its historical role as a desktop GPU with a 549 USD launch MSRP.